package main

import "fmt"

/*
* Author: JacksonCoder
* CreateTime: 2025/5/19
 */

var a1 = "G"

func main(){
	n1()
	m1()
	n1()
}

func n1(){
	fmt.Println(a1)
}

func m1() {
	a1 = "O"
	fmt.Println(a1)
}